MBON Retrieval and Redeployment Cruise

September 12, 2025 R/V Daiber Lewes, DE

Cruise Report

Crew

Aaron Carlisle UD
- Chief Scientist
Caroline Tribble UMCES
- Acoustics and Biotelemetry lead
Michael Cyrana JHU-APL
- eDNA lead
Tess Avery UD
- Field technician assisting with eDNA, acoustics, and biotelemetry
Evan Falgowski UD
- Captain of R/V Daiber

Contact Information

(831) 601-7461 | carlisle@udel.edu
(301) 938-0265 | ctribble@umces.edu
(443) 257-9276 | Michael.Cyrana@jhuapl.edu
(617) 599-9681 | tmavery@udel.edu
(610) 563-1040 | evanfal@udel.edu

Conditions

Winds SW, 3-4 sea state, 75°F sunny, good visibility

Summary (EST)

0645 Departed Lewes, DE boat dock.

0936 Arrived at T-3C.

0947 Conducted CTD cast for eDNA sampling.

0953 Completed operations.

1025 Arrived at T-2C.

1030 Conducted CTD cast for eDNA sampling. Retrieved F-POD, VR2AR mooring.

1036 Deployed new F-POD, VR2AR mooring.

1050 Arrived at MBON5.

1054 Conducted CTD cast for eDNA sampling. Retrieved VR2AR mooring not recovered in April.

1058 Deployed new VR2AR mooring.

1102 Arrived at MBON5*.

1106 Retrieved VR2AR mooring deployed offset from original site in April.

1120 Arrived at MBON4.

1123 Conducted CTD cast for eDNA sampling.

1131 Completed operations.

1140 Arrived at A-5C.

1147 Conducted CTD cast for eDNA sampling. Retrieved F-POD, VR2AR mooring.

1151 Deployed new F-POD, VR2AR mooring.

1209 Arrived at MBON3.

1212 Conducted CTD cast for eDNA sampling. Retrieved VR2AR mooring.

1216 Deployed new VR2AR mooring.

1228 Arrived at MBON2.

1232 Conducted CTD cast for eDNA sampling.

1240 Completed operations.

1310 Arrived at T-1C.

1328 Conducted CTD cast for eDNA sampling. Unable to retrieve F-POD VR2AR mooring, team had difficulty communicating with deployed VR2AR and experienced technical issues with VR100 hydrophone connection. Team will reattempt retrieval in November.

1329 Deployed new F-POD, VR2AR mooring (T-1C*) offset 500 m from original site.

1350 Arrived at MBON1.

1407 Conducted CTD cast for eDNA sampling. Unable to retrieve VR2AR mooring similar to previous site and increased technical issues with VR100 hydrophone connection. Team will reattempt retrieval in November.

1408 Deployed new VR2AR mooring (MBON1*) offset 500 m from original site.

1615 Arrived at Lewes, DE boat dock.

Study Area Map

Map displays site locations color coded and labeled by the type of field operations conducted (blue = eDNA sampling only, green = mooring retrieval, orange = mooring deployment, red = April 2025 locations of moorings not retrieved).

Retrieval Table

*Site*	*Devices to retrieve*	*VR2AR Serial #*	*Retrieval Date*	*Retrieval Time (EST)*	*Retrieval Lat (dd)*	*Retrieval Long (dd)*	*Retrieval Depth (m)*	*Retrieval Notes*
*T-3C*	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only
*T-2C*	VR2AR, FPOD	553508	9/12/2025	10:30	38.3356	-74.5053	44.5	WPT 109
*MBON5*	VR2AR ONLY	546457	9/12/2025	10:54	38.3362	-74.5781	40.5	WPT 111
MBON5*	VR2AR ONLY	553507	9/12/2025	11:06	38.3353	-74.5796	39.6	WPT 113
*MBON4*	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only
*A-5C*	VR2AR, FPOD	546467	9/12/2025	11:47	38.3354	-74.7237	27.4	WPT 115
*MBON3*	VR2AR ONLY	546309	9/12/2025	12:12	38.3358	-74.7984	23.1	WPT 117
*MBON2*	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only
*T-1C*	VR2AR, FPOD	546459	-	-	-	-	-	Unable to retrieve, will reattempt in November
*MBON1*	VR2AR ONLY	546476	-	-	-	-	-	Unable to retrieve, will reattempt in November. Team noted trawl or seine vessel nearby.

Deployment Table

Site	Devices to deploy	PAM Serial #	VR2AR Serial #	Deploy Date	Deploy Time (EST)	Deploy Lat (dd)	Deploy Long (dd)	Deploy Depth (m)	Deployment Notes
T-3C	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only WPT 108
T-2C	VR2AR, FPOD	7249	546463	9/12/2025	10:36	38.3360	-74.5050	44.8	WPT 110
MBON5	VR2AR ONLY	-	546323	9/12/2025	10:58	38.3361	-74.5776	41.5	WPT 112
MBON4	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only WPT 114
A-5C	VR2AR, FPOD	7253	546476	9/12/2025	11:51	38.3360	-74.7230	27.8	WPT 116
MBON3	VR2AR ONLY	-	546470	9/12/2025	12:16	38.3360	-74.7983	23.3	WPT 118
MBON2	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	No hotswap, eDNA only WPT 119
T-1C*	VR2AR, FPOD	7047	546459	9/12/2025	13:29	38.3359	-74.9540	16.6	WPT 120
MBON1*	VR2AR ONLY	-	546309	9/12/2025	14:08	38.3361	-75.0200	18.6	WPT 121

PAM Device Setup Table

*Site*	*PAM type*	*Serial #*	*Start Date*	*Start Time (EST)*	*PAM Device Setup Notes*
*T-2C*	FPOD	7249	9/12/2025	00:15	All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:15:00)
*A-5C*	FPOD	7253	9/12/2025	00:16	All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:16:00)
T-1C*	FPOD	7047	9/12/2025	00:17	All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:17:00)

Biotelemetry Device Setup Table

*Site*	*VR2AR Serial #*	*Start Date*	*Start Time (EST)*	Changed Batteries?	*Checked O rings?*	*Release Lug Attached?*	*VR2AR Setup Notes*
*T-2C*	546463	9/10/2025	15:43	Yes, 100% remaining	✓	✓	Secor UMCES Device
*MBON5*	546323	9/10/2025	15:38	No, 46% remaining	✓	✓	Secor UMCES Device
*A-5C*	546476	9/10/2025	16:32	No, 46% remaining	✓	✓	Secor UMCES Device
*MBON3*	546470	9/10/2025	16:47	No, 46% remaining	✓	✓	Secor UMCES Device
T-1C*	546459	9/10/2025	16:58	No, 46% remaining	✓	✓	Secor UMCES Device
MBON1*	546309	9/10/2025	17:15	Yes, 100% bremaining	✓	✓	Secor UMCES Device